Originally Posted by Matt Kline
OK, I give up. How do you get the carbon monoxide alarm open to change the battery.
Yes, I see the arrow that says which way to twist it, but with all my strength I cannot budge the damned thing.
Am I missing something? And please don't say I'm missing my brain. I'm embarrassed enough to ask this question.
The brand is Costar and I find no help on their web site.
I have a 2011 Airstream that came with a Costar CO alarm with a 9V battery.
As it happens, I've just had to replace it as the old one died. I was able to get a like for like so I can use the existing mounting ring. The Costar is supposed to have a life of 6 years but my original model only lasted three. Still, they're cheap enough to replace.